The author would like to thank all those who have helped and contributed to the preparation of this primer, including Shahid Akhtar and Phet Sayo of UNDP-APDIP, and Sunil Abraham and Khairil Yusof of IOSN. He would also like to thank the organizations and people who have provided useful feedback and constructive criticisms to the primer; they include BSA, CompTIA, Microsoft, Richard Stallman, Tony Di Cenzo and Raul Zambrano.